rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=648c/1/0x4000000000000000 softirq=71927/71929 fqs=5020
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   948554          0            0
rcu: 	cputime:    34582      17907           55   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=66025 q=3835 ncpus=2)
CPU: 0 UID: 0 PID: 18027 Comm: syz.9.3249 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:unwind_next_frame+0x484/0x23c0
Code: d2 84 c0 48 0f 45 d1 48 89 15 18 b0 ab 11 48 85 d2 0f 84 40 02 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 66 18 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc900000072d8 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffffffff90345b5c RCX: ffffffff90345b64
RDX: ffffffff90b5afb4 RSI: ffffffff90b5afb4 RDI: ffffffff8c27b3a0
RBP: dffffc0000000000 R08: 000000000000000e R09: ffffffff8e75e3e0
R10: ffffc900000073f8 R11: ffffffff81b0bfa0 R12: ffffffff90b5afb8
R13: ffffffff90b5afb9 R14: ffffc900000073a8 R15: ffffffff90345b60
FS:  00007efd305396c0(0000) GS:ffff88818de63000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30519ff8 CR3: 00000001bb2fc000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000d0602
Call Trace:
 <IRQ>
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x31c/0x660
 ref_tracker_alloc+0x15a/0x4c0
 dst_init+0xd9/0x480
 dst_alloc+0x12a/0x170
 icmp6_dst_alloc+0x75/0x440
 ndisc_send_skb+0x44a/0x1670
 addrconf_rs_timer+0x395/0x6d0
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0x48/0xa0
Code: 49 be 00 00 00 00 00 fc ff df eb 09 48 f7 03 10 00 00 00 74 53 bf 01 00 00 00 e8 63 d5 e4 f5 e8 1e 70 1e f6 fb bf 01 00 00 00 <e8> c3 a6 ff ff 9c 58 fa a9 00 02 00 00 74 05 e8 f4 71 1e f6 bf 01
RSP: 0018:ffffc90006817880 EFLAGS: 00000202
RAX: 000000000000ea61 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000007 RSI: ffffffff8def4b84 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__phys_addr+0x4d/0x180
Code: ff ff 48 89 de e8 c3 52 4d 00 49 89 de 49 81 ee 00 00 00 80 0f 83 a4 00 00 00 48 c7 c0 c8 4e 1a 8e 48 c1 e8 03 42 80 3c 38 00 <74> 0c 48 c7 c7 c8 4e 1a 8e e8 15 99 b7 00 48 2b 1d c6 fe a1 0c 48
RSP: 0018:ffffc900068179a0 EFLAGS: 00000246
RAX: 1ffffffff1c349d9 RBX: ffff8881b088c000 RCX: ffff88810bcf57c0
RDX: 0000000000000002 RSI: ffff8881b088c000 RDI: ffffffff7fffffff
RBP: ffff8881b088c000 R08: 0000000000000001 R09: ffffffff822ffb0c
R10: dffffc0000000000 R11: fffffbfff2023177 R12: ffffea0000000000
R13: 0000000000000000 R14: ffff88823088c000 R15: dffffc0000000000
 qlist_free_all+0x39/0x100
 kasan_quarantine_reduce+0x148/0x160
 __kasan_kmalloc+0x22/0xb0
 __kmalloc_noprof+0x35c/0x760
 bpf_prog_array_copy+0x198/0x370
 perf_event_attach_bpf_prog+0x204/0x380
 perf_ioctl+0x9a8/0x20c0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efd2f59c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efd30539028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efd2f815fa0 RCX: 00007efd2f59c799
RDX: 000000000000000c RSI: 0000000040042408 RDI: 000000000000000b
RBP: 00007efd2f632c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efd2f816038 R14: 00007efd2f815fa0 R15: 00007ffe7b386878
 </TASK>
sched: DL replenish lagged too much
